Lying down with a strong cough may be due to rhinitis, cough variant asthma, heart failure disease triggered, you can apply the appropriate drugs to treat. 1. rhinitis: rhinitis patients lying down nasal secretions may flow to the throat, resulting in throat discomfort and thus triggering a cough, you can use pseudoephedrine and other drugs to reduce nasal secretions, reduce coughing symptoms. 2. Cough variant asthma: cough variant asthma patients are prone to dry cough symptoms at night, you can use salmeterol ticarcoson and other drugs to improve the symptoms of coughing, to reduce the body’s discomfort. 3. Heart failure: left heart failure patients due to lying down after the increase in the amount of return blood, aggravate pulmonary stasis, causing cough. Furosemide, spironolactone, digoxin drugs can be used to help patients improve heart failure and relieve cough. There are many other reasons for coughing while lying down, and different causes apply different treatments, so it is recommended that patients go to the hospital to improve the relevant examinations, clarify the cause of the disease, follow the doctor’s instructions for treatment, and not blindly use their own medication.